MALICIOUS — 77665a47ef769a48bf8bf15b0355c2578bd190e6f8ad79e3da07b72bfa111106

MALICIOUS — 77665a47ef769a48bf8bf15b0355c2578bd190e6f8ad79e3da07b72bfa111106 is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (95/100), attributed to the Cerbu family. 4 of 52 detection engines flagged it, exhibiting 1 ATT&CK technique.

Identification

• SHA-256: 77665a47ef769a48bf8bf15b0355c2578bd190e6f8ad79e3da07b72bfa111106
• SHA-1: d2f2ca4ccdccd50760225307d7fb5e07b2ffe246
• MD5: 060d9aa21d125f8425dcea61934b203a
• imphash: 5ab4a5fa77f7cef108828b3d18928877
• ssdeep: 1536:dY3oRXGDBmCsUyE7r5ky252/JVI8AP56Rmh2oRO356D3XEBEfH:dYsiky25IVIb56Qh2o0p6D3XEWfH
• TLSH: T1693B19A8425BA332F1FAED756C219CDC9814B0AC5172616C9A07DA3FD0F5037D9B62E0
• Submitted as: 77665a47ef769a48bf8bf15b0355c2578bd190e6f8ad79e3da07b72bfa111106
• File type: pe · Size: 110592 bytes
• Verdict: malicious (95/100) · Family: Cerbu

Detections (4 of 52 engines)

• ClamAV (daily): Win.Malware.Cerbu-9886333-0
• YARA: delivr.to detections: DLV_Maldoc_VBA_AutoExec
• YARA: Yara-Rules community: YR_AntiDebug_Checks
• LIEF (executable format parser): lief:invalid-authenticode

MITRE ATT&CK

• T1071.001

Why this verdict

The malicious score of 95/100 is the fusion of 5 weighted signals:

• ClamAV (daily) flagged Win.Malware.Cerbu-9886333-0 (rule Win.Malware.Cerbu-9886333-0) - engine signal, weight 0.90, confidence 0.95
• YARA: delivr.to detections flagged DLV_Maldoc_VBA_AutoExec (rule DLV_Maldoc_VBA_AutoExec) - engine signal, weight 0.35, confidence 0.70
• YARA: Yara-Rules community flagged YR_AntiDebug_Checks (rule YR_AntiDebug_Checks) - engine signal, weight 0.35, confidence 0.70
• LIEF (executable format parser) flagged lief:invalid-authenticode (rule lief:invalid-authenticode) - engine signal, weight 0.35, confidence 0.70
• communicate over HTTP (rule communicate over HTTP) - capa signal, weight 0.30, confidence 0.60

Dynamic analysis

No runtime behaviour was captured for this sample, so the analysis above is static only. That is a limit of this run rather than evidence the sample does nothing.

Embedded URLs

• http://www.microsoft.com/pki/certs/MicrosoftTimeStampPCA.crt0
• http://www.microsoft.com/pki/certs/MicCodSigPCA_08-31-2010.crt0
• http://crl.microsoft.com/pki/crl/products/microsoftrootcert.crl0T
• http://office.microsoft.com
• http://www.microsoft.com/pki/certs/MicRooCerAut_2010-06-23.crt0
• http://www.microsoft.com/pki/certs/MicTimStaPCA_2010-07-01.crt0

Embedded domains

• crl.microsoft.com
• www.microsoft.com
• office.microsoft.com

File paths

• F:\Office\Target\x64\ship\postc2r\x-none\msohtmed.pdb

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report